<!DOCTYPE html>
<html lang="en">
<head>
           <!-- 网页名字 -->
        <title>关于bootstrap的一个简单测试页</title>
        <link href="../static/bootstrap/css/bootstrap.min.css" rel="stylesheet">
        <script src="../static/jq/jquery-3.2.1.min.js"></script>
        <script src="../static/bootstrap/js/bootstrap.min.js"></script>
</head>

<body class="text-center">

<form class="form-signin" method="post">
        <!-- 取值替换原来默认的值-->
        <h1 class="h3 mb-3 font-weight-normal">欢迎来到我的bootstrap world</h1>

        <label class="sr-only" >账号</label>
        <input type="text" name="username" class="form-control" placeholder="Username" required="" autofocus="">

        <label class="sr-only" >密码</label>
        <input type="password" name="password" class="form-control" placeholder="Password" required="">

        <button class="btn btn-lg btn-primary btn-block" type="submit" >确认</button>

        <p class="mt-5 mb-3 text-muted">© 2020新的开始</p>
</form>

</body>

</html>